Reference: Wada M and Ito K (2022) Human ABCE1 exhibits temperature-dependent heterologous co-functionality in S. cerevisiae. FEBS Open Bio 12(10):1782-1787

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Abstract


ABCE1 protein (Rli1 in Saccharomyces cerevisiae) is a unique ribosome recycling factor that is composed of an N-terminal FeS cluster domain and two ATPase domains. Here, we report that heterologous expression of human ABCE1 in S. cerevisiae is unable to complement conditional knockout of ABCE1 (Rli1), at a typical experimental temperature of 30 °C. However, low but significant growth was observed at high temperature, 37 °C. Considering the close interaction of ABCE1 with translation factors and ribosomal components, the observed temperature-dependent complementation may be attributed to heterologous co-functionality of ABCE1 with S. cerevisiae factor(s), and might reflect functional upregulation of human ABCE1 at its functional temperature.

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Journal Article | Research Support, Non-U.S. Gov't
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Wada M, Ito K
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